Home / 170,424,007.40-255,636,011.10-105,800,781.80

Finding the Fourth Proportional to 170,424,007.40, 255,636,011.10 and 105,800,781.80

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Solution

The fourth proportional to 170,424,007.40, 255,636,011.10 and 105,800,781.80 is: 158,701,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424,007.40 : 255,636,011.10 = 105,800,781.80 : x
  2. Step 2: Convert to fraction form
    170,424,007.40/255,636,011.10 = 105,800,781.80/x
  3. Step 3: Cross multiply
    170,424,007.40x = 255,636,011.10 × 105,800,781.80
  4. Step 4: Simplify right side
    170,424,007.40x = 27,046,489,830,613,476
  5. Step 5: Solve for x
    x = 27,046,489,830,613,476/170,424,007.40
  6. Step 6: Final answer
    x = 158,701,172.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.